2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.frm.impl;
10 import com.google.common.base.Preconditions;
11 import org.opendaylight.controller.frm.ForwardingRulesManager;
12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInputBuilder;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInputBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupInputBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.OriginalGroupBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.UpdatedGroupBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupRef;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
35 * It implements {@link org.opendaylight.controller.md.sal.binding.api.DataChangeListener}}
36 * for WildCardedPath to {@link Group} and ForwardingRulesCommiter interface for methods:
37 * add, update and remove {@link Group} processing for
38 * {@link org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent}.
40 * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
43 public class GroupForwarder extends AbstractListeningCommiter<Group> {
45 private static final Logger LOG = LoggerFactory.getLogger(GroupForwarder.class);
47 private ListenerRegistration<DataChangeListener> listenerRegistration;
49 public GroupForwarder (final ForwardingRulesManager manager, final DataBroker db) {
50 super(manager, Group.class);
51 Preconditions.checkNotNull(db, "DataBroker can not be null!");
52 this.listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
53 getWildCardPath(), GroupForwarder.this, DataChangeScope.SUBTREE);
58 if (listenerRegistration != null) {
60 listenerRegistration.close();
61 } catch (Exception e) {
62 LOG.error("Error by stop FRM GroupChangeListener.", e);
64 listenerRegistration = null;
69 protected InstanceIdentifier<Group> getWildCardPath() {
70 return InstanceIdentifier.create(Nodes.class).child(Node.class)
71 .augmentation(FlowCapableNode.class).child(Group.class);
75 public void remove(final InstanceIdentifier<Group> identifier, final Group removeDataObj,
76 final InstanceIdentifier<FlowCapableNode> nodeIdent) {
78 final Group group = (removeDataObj);
79 final RemoveGroupInputBuilder builder = new RemoveGroupInputBuilder(group);
81 builder.setNode(new NodeRef(nodeIdent.firstIdentifierOf(Node.class)));
82 builder.setGroupRef(new GroupRef(identifier));
83 builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
84 this.provider.getSalGroupService().removeGroup(builder.build());
88 public void update(final InstanceIdentifier<Group> identifier,
89 final Group original, final Group update,
90 final InstanceIdentifier<FlowCapableNode> nodeIdent) {
92 final Group originalGroup = (original);
93 final Group updatedGroup = (update);
94 final UpdateGroupInputBuilder builder = new UpdateGroupInputBuilder();
96 builder.setNode(new NodeRef(nodeIdent.firstIdentifierOf(Node.class)));
97 builder.setGroupRef(new GroupRef(identifier));
98 builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
99 builder.setUpdatedGroup((new UpdatedGroupBuilder(updatedGroup)).build());
100 builder.setOriginalGroup((new OriginalGroupBuilder(originalGroup)).build());
102 this.provider.getSalGroupService().updateGroup(builder.build());
106 public void add(final InstanceIdentifier<Group> identifier, final Group addDataObj,
107 final InstanceIdentifier<FlowCapableNode> nodeIdent) {
109 final Group group = (addDataObj);
110 final AddGroupInputBuilder builder = new AddGroupInputBuilder(group);
112 builder.setNode(new NodeRef(nodeIdent.firstIdentifierOf(Node.class)));
113 builder.setGroupRef(new GroupRef(identifier));
114 builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
115 this.provider.getSalGroupService().addGroup(builder.build());